Granted Patent
Utility
US 6,770,136 · App. 10/042,058
Device having a foil-lined crucible for the sublimation growth of an SiC single crystal
Inventors:
Harald Kuhn, Rene Stein, Johannes Voelkl
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Jan 7, 2002
Inventors
Harald Kuhn
Rene Stein
Johannes Voelkl
Assignee (at issue)
Siemens Aktiengesellschaft
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.